Chidelt, J. (1990). Made Easy: A Simplified Approach to Learning. Made Easy Publications.
Citazione stile Chigago Style (17a edizione)Chidelt, J. Made Easy: A Simplified Approach to Learning. London: Made Easy Publications, 1990.
Citatione MLA (9a ed.)Chidelt, J. Made Easy: A Simplified Approach to Learning. Made Easy Publications, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.